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Coronary Artery Disease clinical trials

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NCT ID: NCT03796741 Completed - Clinical trials for Chronic Ischemic Heart Disease

STable Coronary Artery Diseases RegisTry

Start date: March 17, 2016
Study type: Observational

Observational, prospective multicentric, national study, evaluating the diagnostic and therapeutic pathways of patient with cronic coronary artery disease followed in Italian cardiology centers.

NCT ID: NCT03796234 Completed - Clinical trials for Coronary Artery Disease

Multidisciplinary Program Based in High Intensity Interval Training and Dietary Education for Coronary Artery Disease

Start date: March 1, 2018
Phase: N/A
Study type: Interventional

A multidisciplinary program based on physiotherapy and diet education will be carried out for 3 months in patients with coronary artery disease with percutaneous coronary intervention. Educational lectures on nutrition and high intensity interval training will be developed in old patients with chronic heart disease. A control group will not develop any program. Effectiveness on anthropometric parameters, eating habits, physical activity, quality of life, anxiety and depression will be assessed at baseline and at 3 months.

NCT ID: NCT03779217 Completed - Clinical trials for Cardiovascular Diseases

Breast Disease and Cardiovascular Disease

Start date: January 2, 2008
Study type: Observational

Cardiovascular disease (CVD) occurs less frequently in women than in juvenile men.Frequently the estrogen deficiency associated with the menopausal state affects cardiovascular outcomes. In fact, in the post-menopausal state, even younger women may experience an increase in the rate of ischemic heart disease (IHD). On the other hand, CVD may also occur in premenopausal young women, due to not well known and/or not clearly investigated mechanisms. In addition, pre-menopausal women with IHD show atypical symptoms and more frequently myocardial infarction vs. angina pectoris. In detail, in these patients IHD is frequently due to mono-vessel coronary heart disease, and to the presence of cardiovascular risk factors such as hypertension, hyperlipidemia and type 2 diabetes. So, it is clear that all these pro-atherogenic risk factors which lead to IHD in women, are significantly lower in the pre-menopausal vs. post-menopausal patients. However, the causes leading to IHD and acute coronary events in pre-menopausal women remain poorly understood and poorly investigated, and these factors might be different from the traditional coronary risk factors evident in the general population. In this context, recently some authors have shown that subcutaneous abdominal fat affects cardiovascular performance at 1 year of follow-up in patients with normoglycemia vs. pre-diabetic. Therefore, here authors can hypothesize that in a population of female subjects, the fat tissue present in the mammary gland and the different degrees of mammary adipocyte infiltration can somehow invalidate the number of cardiovascular events in women of childbearing age. In detail, the different distribution of adipose tissue in the mammary gland can influence the density of the breast, as studied by mammographic examination, which is used to divide breast density into 4 different categories: - Category A: the breast is represented by 80% of fibro-glandular tissue and less than 20% by fat tissue. - Category B: the breast is represented by fibro-glandular tissue in the range of 50-75% and for the rest by fat tissue. - Category C: the breast is represented by fibro-glandular tissue in the range 25-50% and the rest is from fatty tissue. - Category D: the breast is represented by almost entirely fat tissue. Therefore, in the present study authors correlated the 4 different breast categories with CVD and 10-year follow-up IHD in women of child-bearing age. In fact, according to authors' opinion, a breast with higher fat density (category D) might influence the number of adverse cardiovascular events at 10-year follow-up in asymptomatic women. Thus, pre-menopausal women with breast tissue in category D as compared to women with prevalence of fibro-glandular tissue may have a higher frequency of adverse cardiac ischemic events at 10 years of follow-up.

NCT ID: NCT03744650 Completed - Health Behavior Clinical Trials

mHealth Lifestyle Intervention on CHD Primary Prevention

Start date: November 1, 2014
Phase: N/A
Study type: Interventional

Background: Coronary heart disease (CHD), the most prevalent type of cardiovascular disease among adults, has been identified as one of the chronic diseases which are epidemic in the world. Teaching and encouraging the working population to adopt a healthier lifestyle could favor in preventing and/or decreasing the incidence of CHD among this population. The use of mobile application (app) is the next logical wave of healthcare support tools to prevent and manage chronic diseases like CHD. Aims: The aims of the study are to develop a mHealth programme, entitled "Care4Heart" for the working population in Singapore, and thereafter examine its feasibility and effectiveness in increasing the awareness and knowledge of coronary heart disease (CHD) as well as improving their heart-related lifestyle. Methods: A two-phase study design will be adopted. Phase 1 is a pilot, two-arm randomized controlled trial (RCT) study and phase 2 is a single group pretest and repeated posttest longitudinal study. The study will be conducted in National University of Singapore. A convenience sampling will be used, and a total of 240 healthy working adults will be recruited via posters advertising in campus canteens, which comprising 80 participants in Phase 1 and 160 participants in Phase 2 study. The first recruited 80 participants will be randomly allocated to an intervention group and a control group, and only those in the intervention group will receive 4-week "Care4Heart" programme. For the participants recruited in phase 2 (n = 160), the newly developed mobile app will be installed onto their' smartphones, and a well-trained research assistant will brief the participants about the utilization of the app. The main outcomes will be measured using the survey questionnaires: Awareness of CHD, Heart Disease Fact Questionnaire-2, Behavioral Risk Factor Surveillance System and Perceived Stress Scale. Data will be collected at baseline, and at the 4th week for phase 1 study while a third data collection at the 6th month thereafter will be conducted for phase 2 participants. Data will be analyzed using IBM SPSS 22.0. Applications: If this project is proved to be feasible and effective, "Care4Heart" app, a novel CHD prevention programme will be popularized nationwide to promote knowledge and elicit positive heart-related behavioral changes for the working population in Singapore

NCT ID: NCT03741660 Completed - Clinical trials for Coronary Heart Disease

Konjac-Mannan Improves Glycemia and Other Risk Factors for CHD in T2DM

Start date: January 1991
Phase: Phase 2
Study type: Interventional

To examine whether Konjac-mannan fiber improves metabolic control measured by glycemia, lipidemia, and blood pressure in individuals with type-2 diabetes.

NCT ID: NCT03735186 Completed - Inflammation Clinical Trials

Exercise and Coronary Heart Disease Risk Markers in Male Smokers and Non-Smokers

Start date: August 4, 2017
Phase: N/A
Study type: Interventional

The present study will investigate the effect of acute exercise on fasting and postprandial risk markers for coronary heart disease (CHD) in healthy male cigarette smokers and non-smokers. Participants will complete two, 2-day trials in a random crossover design separated by an interval of at least 1 week. On day 1, participants will rest (control) or complete 60 minute of treadmill exercise at 60% of maximum oxygen uptake (exercise). On day 2, participants will rest and consume two high fat meals (breakfast and lunch) over an 8-h period during which 13 venous blood samples and nine blood pressure measurements will be taken at pre-determined intervals. It is hypothesised that men who smoke cigarettes will exhibit impaired fasting and postprandial metabolic risk markers compared to non-smokers, but a single bout of exercise will be equally, if not more, efficacious for improving the CHD risk factor profile in smokers than non-smokers.

NCT ID: NCT03721159 Completed - Coronary Disease Clinical Trials

Quantification of Micro-RNA 146-a in Chronic Periodontitis and Coronary Heart Disease Subjects

Start date: October 1, 2017
Study type: Observational

The expression and quantification of Micro-RNA 146-a, was analyzed in the subgingival plaque samples of generalized chronic periodontitis patients with and without coronary heart disease. The demographic variables and periodontal parameters were assessed and correlated with expression of micro-RNA 146-a. The quantification of levels of micro-RNA 146-a was done using Real time Polymerase chain reaction. ( RT-PCR)

NCT ID: NCT03688815 Completed - Clinical trials for Ischemic Heart Disease

Dipyridamole Induced Ischemia and Biomarkers

Start date: January 1, 2009
Study type: Observational

Analysis of certain biomarkers and transient myocardial perfusion deficit revealed by myocardial perfusion scintigraphy.

NCT ID: NCT03657199 Completed - Clinical trials for Coronary Artery Disease

Early Silent Graft Failure in Off-pump Coronary Artery Bypass Grafting: A Computed Tomography Analysis

Start date: January 1, 2017
Study type: Observational

Aortocoronary bypass surgery is one of the most common operations in the western world. The goal of the surgeon is to perform a complete revascularization of the coronary arteries with the best, available bypass material. Aortocoronary bypass surgery can be performed with (on-pump) or without (off-pump) the heart lung machine. If the operation is performed without the heart lung machine, the heart is continuously beating while the surgeon sews the bypass to the diseased coronary artery. In randomized trials, the benefits of the off-pump technique in the hands of experienced surgeons in terms of shorter operating times, less transfusions and less pulmonary and renal complications were proven. A criticism of the off-pump technique is the reduced number of distal anastomoses, which means that fewer coronary arteries may be connected with bypass grafts because of the technically sophisticated situation. A worse quality of the connection (anastomosis) between coronary artery and bypass is often discussed, leading to a bypass occlusion already in the early stage after surgery resulting in more re-interventions on the coronary vessels. So-called silent bypass failure without clinical correlation has been examined in three relevant studies including both, the on- and the off-pump technique, with inhomogenous results. In addition to the technique, other parameters such as the degree of narrowing (stenosis) of the diseased coronary artery and collateralization of a closed coronary artery may play a role in early occlusion. All bypass patients after off-pump surgery receive routinely a computed tomographic examination of the heart. With this method, silent bypass occlusions without clinical correlation, i.e. cardiac infarction, elevated cardiac laboratory parameters or ECG changes, can be detected easily. In case of an occlusion of a relevant bypass, an intervention before discharge can be planned and performed. We would like to investigate the occlusion rate of this retrospective patient cohort after off-pump surgery and the potential risk factors, that may influence on early graft failure. We hypothesize, that early graft failure depends not only on the choice of the graft material, but also on the local grade of coronary stenosis, the collateralisation of occluded coronary vessels and the intraoperative flow results, as well as on the region of the target vessel.

NCT ID: NCT03651791 Completed - Clinical trials for Ischemic Heart Disease

In Vivo Tracking of USPIO Labeled MSC in the Heart

Start date: May 2013
Phase: Phase 1
Study type: Interventional

To evaluate the ability to trace iron oxide-labeled mesenchymal stromal cells with magnetic resonance imaging (MRI) after NOGA-guided injection therapy into the myocardium in patients with ischemic heart disease.